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1036 MW Natural Gas operating in Freestone, TX — Electric Reliability Council of Texas, Inc.
1,036 MW
Nameplate Capacity
6
Generators
units
Natural Gas Fired Combined Cycle
Technology
2002
Operating Since
Coordinates
31.8907, -96.1131
County
Freestone, TX
Nearby Plants
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Freestone Power Generation LLC | — | Calpine |
| Owner(s) | Freestone Power Generation LLC, Rayburn Country Elec Coop, Inc | — | — |
| Status | Operating | — | — |
Freestone Energy Center is a 1036 MW natural gas-fired combined cycle power plant located in Freestone County, Texas. The plant began operating in 2002 and consists of 6 generators. It is owned and operated by Freestone Power Generation LLC. The plant is interconnected to the Electric Reliability Council of Texas (ERCOT) grid and falls within the TRE NERC region.
In the most recent year of reported data, Freestone Energy Center generated 6,479,914 MWh of electricity, achieving a capacity factor of 71.4%. The plant ranks as the 23rd largest in Texas out of 144 plants, and 160th nationally out of 945 plants.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
516.5K MWh
Latest Month
6.5M MWh
Annual Generation
71.4%
Capacity Factor
CO₂ Intensity
832 lb/MWh
NOx
0.209 lb/MWh
SO₂
2013
$965/kW
Est. Construction Cost
Total estimated cost: $999.9M
Point of Interconnection
Nearest Substation
Richland Chambers Substation · 345 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
FREC
Pricing Hub
HB_NORTH
Node Source
EIA-860 direct report
Last updated 2026-03-26
View all 8 articlesElectric Reliability Council of Texas, Inc. (ERCO)
Grid Voltage
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
0.004 lb/MWh
CH₄
0.015 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
83.3%
Annual Net Gen
7560 GWh
CO₂eq
832 lb/MWh
Subregion
ERCOT All